Roofing & Materials
Turbine Vent
A turbine vent is a spinning rooftop vent that pulls hot air out of an attic as wind turns its blades. On a storm claim, note bent or missing turbines and whether the flashing leaked, because a vent that still spins may be repairable while a crushed one is usually replaced.
Full guide: commonly missed roofing line items xactimate codes
More roofing & materials terms
- Tile roof
A roofing system of clay or concrete tiles. Tiles are heavy, expensive to replace, and break under impact, so hail damage to tile is a distinct scope from asphalt.
- TPO
A single-ply thermoplastic membrane (thermoplastic polyolefin), usually white, heat-welded at the seams and used mostly on low-slope commercial roofs. On a claim, photograph the seams, fasteners and any ponding or punctures, because whether a section is repaired or replaced depends on membrane type, age and the carrier's matching rules.
- Underlayment
The protective layer between the roof deck and the shingles, felt or synthetic.
- Valley
A valley is the inside angle where two roof slopes meet, and it carries water from both planes, making it a common leak point. In a claim, photograph the valley metal or woven method and note rust, granule loss and debris, since carriers often question replacing a valley that shows only partial damage.
- Valley flashing
Metal installed in the valleys where two roof planes meet, directing water down and off the roof.
- Vapor Barrier
A vapor barrier blocks moisture vapor from moving into a roof or wall assembly, and in roofing it is usually a membrane or underlayment layer. Replacing or disturbing it can be its own line item, and whether it is required depends on local code and the assembly, so photograph what was there.
Common questions
What does "Turbine Vent" mean in Xactimate estimating?
A turbine vent is a spinning rooftop vent that pulls hot air out of an attic as wind turns its blades. On a storm claim, note bent or missing turbines and whether the flashing leaked, because a vent that still spins may be repairable while a crushed one is usually replaced.
Where does "Turbine Vent" show up in a claim?
The term matters on estimates and scopes across the insurance restoration workflow, see the full guide for where it fits.
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